How to Make All Browsers Render HTML5 Mark-up Correctly – Even IE6

HTML 5 provides some great new features for web designers who want to code readable, semantically-meaningful layouts. However, support for HTML 5 is still evolving, and Internet Explorer is the last to add support. In this tutorial, we’ll create a common layout using some of HTML 5’s new semantic elements, then use JavaScript and CSS to make our design backwards-compatible with Internet Explorer. Yes, even IE 6.